77933985

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{823}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 128148480

約数和(自身を除く): 50214495

約数列:

[1, 3, 5, 15, 59, 107, 177, 295, 321, 535, 823, 885, 1605, 2469, 4115, 6313, 12345, 18939, 31565, 48557, 88061, 94695, 145671, 242785, 264183, 440305, 728355, 1320915, 5195599, 15586797, 25977995, 77933985]

約数ペア:

[(1, 77933985), (3, 25977995), (5, 15586797), (15, 5195599), (59, 1320915), (107, 728355), (177, 440305), (295, 264183), (321, 242785), (535, 145671), (823, 94695), (885, 88061), (1605, 48557), (2469, 31565), (4115, 18939), (6313, 12345)]